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ZIBO CHANGCHENGCHEMICAL FACTORY

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Contact Method Potassium sulfite

Potassium sulfite

CAS No.:	10117-38-1
Purity:	44.5-45.5
Place of Origin:	Shandong

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CompanyInfo
a joint-stock company limited reconstructed from Boshan ZhenhuaReagent Factory. It is located in the east of the hospital of thewell-known Wanjie Group, abutting against No. 205 National Highway.It is close to Binzhou-Laiwu Expressway in the west, andJinan-Qingdao Expressway and Jiaozhou-Jinan Road in the north. Itis supported by Qilu Petrochemical. Therefore, our company enjoysadvantaged location and transportation convenience. For thesincere, honest and innovative image, our company is ...
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• Year Company Registered:1992-02-10
• Annual Sales Amount: US$2.5 – 5Million
• Total No. of Staff: 51 – 100People
• No. of R&D Staff: 5 – 10People
• No. of Engineers: Fewer than 5People
• Export Ratio: 21% – 30%
• OEM Services Provided: YES
• Payment Terms: T/T, L/C
• Business Type: Manufacturer
• Main ExportMarkets:South America, Southeast Asia,Eastern Asia, Mid East

• Payment & Shipping Terms:
• Payment Term: L/C, T/T
• MOQ: 250Kilogram
• Means of Transport: Ocean

• Supply Capacity:
• Production Capacity: colourless or light yellow transparentliquid
• Packing:1500KG IBC DRUM

executive standard: European Photographic gradeE225molecular weight and molecular formula:K2SO3=158.25  CAS number:10117-38-1Technical index

Test item	Unit	Specification	Test method
K2SO3	g/100g	44.5-45.5	ISO 5990-1996(E)
density(20℃)	kg/l	1.445-1.460	ISO 5990-1996(E)
appearance		colourless or light yellow transparentliquid	ISO 5990-1996(E)
K2S2O3	g/100g	0.01	spectrophotometry
pH value(10%solution)		9.0-10.0	ISO 5990-1996(E)
heavy metal(measured by Pb)	mg/kg	10	AES
Fe	mg/kg	5	AAS
reaction withNH3-AgNO3		qualified	ISO 5990-1996(E)
KCl	g/100g	0.3	IC
sulphate(measured byK2SO4)	g/100g	0.5	IC

Product usageThe products could be used as dechlorination agent in theproduction of potassium hydroxide ion-exchange membrane anddeveloping protective agent in photographic industry. It could alsobe used in the textile fabrics for bleaching, calcium removingreagent in tanning industry and as the preservative for foodindustry.Productpackage             Plastic barrel package: 250 kg per drum (200L) and 1500kg perbarrel (IBC drum) or in accordance with user''s requirements.